New: The L293D and GM4 motor!

This is just a subtle reminder that Solarbotics & HVW Technologies will both be closed January 1st and 2nd (Thursday and Friday), while we're out fighting raging hangovers being productive members of society. We hope 2008 treated all of you well and that 2009 will be even better. And if it isn't, well... Once we […]

We are always on the search of cool technology, so when we came across Bare Conductive, we thought: pizza! what a great find! Bare Conductive is a design and technology company from the UK that makes sensing tools for engineers, designers, and makers. They produce a line of electrically conductive paint, capacitive sensor hardware and a […]

PCBGrip Cylinder Accessory (4 pack) $7.20 This accessory is great for adding standoffs and rotating elements to your PCBGrip (or Openbeam!). PCBGrip Tri Nut Accessory (pairs) $5.52 Inserting and aligning nuts into Openbeam can be a bit tricky, but this clever, simple tri-nut insert is a simple, effective solution to the problem. T-Bolt Accessory (pairs) […]

This circuit is used to create a simple "edgebot" sumo robot. Being an edgebot refers that it will repeat the same backup/turn/go forward action when it's single edge sensor detects the edge of the ring. This version of the circuit is quite simple, and always turns the same way.